Portland Sea Conditions and Tide Table

Portland Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 07:09 AM and sunset is at 05:37 PM.

Days 1–3 Weather Summary

Heavy rain (total 28mm), heaviest during Wed morning. Cool air temperatures (max 12°C on Wed afternoon, min 6°C on Thu morning). Winds decreasing (near gales from the SSW on Wed morning, moderate winds from the W by Fri night).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Sat morning. Low air temperatures (max 8°C on Sat afternoon, min 4°C on Mon night). Winds increasing (calm on Sat night, near gales from the NE by Sun night).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Tue afternoon, min 2°C on Tue night). Winds decreasing (strong winds from the NE on Tue morning, light winds from the ENE by Wed afternoon).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Mild temperatures (max 9°C on Fri morning, min 6°C on Fri night). Winds increasing (light winds from the NW on Fri afternoon, strong winds from the ESE by Sun afternoon).

Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
1
Saturday
2
Sunday
3
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
6:05PM1.45m
6:16AM1.69m
6:43PM1.60m
6:52AM1.84m
7:16PM1.71m
7:23AM1.94m
7:46PM1.79m
7:50AM1.99m
8:11PM1.83m
8:13AM2.00m
2:07PM0.34m
8:31PM1.85m
8:34AM2.00m
3:07PM0.32m
8:51PM1.86m
8:57AM1.97m
9:15PM1.85m
9:24AM1.92m
9:43PM1.82m
9:56AM1.83m
10:16PM1.74m
10:32AM1.69m
10:55PM1.63m
11:15AM1.52m
11:46PM1.49m
Low Tide
12:39PM0.48m
00:50AM0.64m
1:22PM0.39m
1:32AM0.57m
2:05PM0.32m
2:15AM0.52m
2:45PM0.27m
00:07AM0.53m
3:19PM0.25m
00:37AM0.44m
1:12PM0.33m
1:12AM0.39m
1:46PM0.29m
1:52AM0.36m
2:24PM0.26m
2:34AM0.35m
3:01PM0.26m
3:14AM0.35m
3:36PM0.27m
3:51AM0.37m
4:09PM0.33m
4:27AM0.44m
4:45PM0.43m
5:10AM0.55m
Wave
height (m) 
direction
period (s) 
3
SW
7
3
SW
9
1.7
SW
9
3
SW
7
2.5
SW
9
3
SW
9
2.1
SW
15
2
SW
18
1.8
SW
18
2.3
SW
15
1.8
SW
11
1.2
SW
10
0.9
SW
9
0.9
SW
9
1.7
ESE
6
2.3
ESE
8
2.2
ESE
8
1.8
ESE
7
1.6
ESE
6
1.6
ESE
7
1.3
ESE
7
0.9
ESE
6
0.7
ESE
6
0.5
E
5
0.4
ESE
5
0.4
ESE
3
0.9
SE
4
1.5
SSE
5
1.4
S
6
0.8
SW
15
0.6
SW
15
0.6
SW
10
0.6
SW
8
1.7
SE
6
2.3
SE
7
2.3
ESE
7
mod rain
light rain
light rain
rain showers
rain showers
rain showers
light rain
thunderstorm
rain showers
thunderstorm
clear
clear
cloud
light rain
light rain
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
rain showers
light rain
part cloud
cloud
cloud
cloud
cloud
mod rain
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
light rain
risk tstorm
rain shwrs
risk tstorm
clear
clear
cloudy
light rain
light rain
cloudy
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
clear
rain shwrs
light rain
some clouds
cloudy
cloudy
cloudy
cloudy
 km/h
60
SSW
40
WSW
30
SW
60
SW
50
WNW
50
W
25
WSW
30
W
25
WSW
35
W
35
NW
20
NW
15
ESE
25
ESE
45
ENE
55
NE
50
NE
50
NE
45
NE
35
NE
25
NE
25
ENE
15
E
15
ENE
15
E
20
SE
25
SE
40
SE
20
WSW
20
ENE
15
N
10
NW
20
SSE
45
ESE
50
ESE
45
E
 mm 
9
1.0
1.0
5
2.0
1.0
3
3
3
2.0
1.0
1.0
6
3
max°C
11
12
11
11
8
7
6
6
7
7
8
6
8
8
7
6
7
6
7
8
4
5
7
6
7
8
8
9
9
7
7
8
8
9
9
9
Moonrise
2:02
3:15
4:28
5:39
6:48
7:57
9:05
10:15
11:28
12:43
2:00
Moonset
6:28
6:54
7:13
7:28
7:40
7:51
8:01
8:12
8:24
8:39
8:59
9:27
Sunrise
7:09
7:07
7:05
7:03
7:01
7:00
6:58
6:54
6:52
6:50
6:48
6:47
Sunset
5:37
5:38
5:39
5:42
5:44
5:45
5:46
5:49
5:51
5:52
5:53
5:55
Today's sea temperature in Portland is 9.9 °C (Statistics for 21 Feb 1981-2005 – mean: 9.0 max: 10.2 min: 7.0°C)
Nearest